FAST Oxygen Sensor Bung Plug

Allows for installation of Oxygen sensors. Seals bung where O2 sensor would normally screw in.
For wide-band, closed-loop applications. Sensor can read air/fuel ratios from 9:1 to 16:1.
O2 Fitting Kit
O2 Sensor Plug & Bung
Oxygen Sensor Bung Plug
This fitting kit allows for the installation of an Oxygen sensor into your exhaust system. Also it includes a plug should you need to remove your O2 Sensor.